| Name | Country | Market Cap (US$) |
|---|
| Alpha Sensors, Inc. | United States | Private |
| AmberWave Systems Corporation | United States | Private |
| Ami Semiconductor Inc | United States | Private |
| AMIS Holdings, Inc. | United States | Private |
| Amkor Iwate Co. Ltd. | Japan | Private |
| Analogix Semiconductor, Inc. | United States | Private |
| Andigilog, Inc. | United States | Private |
| Anthem Electronics, Incorporated | United States | Private |
| Apex-BP Solar SA | France | Private |
| ARM, Inc. | United States | Private |
| Arrow Asia Pac Ltd. | Hong Kong | Private |
| Artimi Ltd. | United Kingdom | Private |
| Ase Material Inc. | Taiwan | Private |
| Ashvattha Semiconductor, Inc. | United States | Private |
| AstroPower, Inc. | United States | Private |
| Athena Semiconductors, Inc. | United States | Private |
| Atrua Technologies, Inc. | United States | Private |
| Austin Semiconductor, Inc. | United States | Private |
| Austria Mikro Systeme International. | Austria | Private |
| Avago Technologies Finance Pte. Ltd. | Singapore | Private |
|